private void Compile()
{
if (DataContext == null)
{
throw ExceptionBuilder.PropertyNotInitialized("DataContext");
}
if (Text == null || Text.Length == 0)
{
throw ExceptionBuilder.PropertyNotInitialized("Text");
}
// Compile expression
ClearCompiledState();
Compiler compiler = new Compiler(_errorCollector);
ExpressionNode expressionNode = compiler.CompileExpression(Text, _targetType, Scope);
if (_errorCollector.ErrorsSeen)
{
IList <CompilationError> errors = _errorCollector.GetErrors();
OnCompilationFailed(new CompilationFailedEventArgs(errors));
throw ExceptionBuilder.ExpressionCompilationFailed(errors);
}
OnCompilationSucceeded(EventArgs.Empty);
_runtimeExpression = ExpressionCompiler.CreateCompiled(expressionNode);
ILEmitContext.CompleteILCompilation();
}